intermittant wireless connection on laptop

just formated my acer 3690,loaded pre installed vitsa basic back on,installed internet explorer 8.all the drivers for the wireless connections on the laptop are up to date.But i still keep getting intermittant internet connections, having to refresh pages a lot

Try changing the channel on your router, you may be getting interference from others nearby, or other equipment etc. If you go to the start menu and click "connect to" that should show you any networks in your area and the signal strengths.